A friend of mine hit me up looking for an application called MGADiag. Wow what an old tool!! But yes, I still have a copy.
I sent it to him. After review, I decided not to include a copy to this article. I did post a link to it, but i want to let people know
they should really look a the new web based tool.(Here) The new tool does not do the same thing, at first glance. but on further review, the
web page relies on a plugin, which seemingly collects similar information.
We don’t have much choice on newer Systems. Just look at figure 1. MGADIAG doesn’t work too well with Windows 10. Other tabs have worse errors, but some tabs work OK. .
Reason for most failures
Hey, In its time, this was a great tool. It collected a lot of the licensing information, all in a few tabs. Great for Windows XP and maybe Vista and Windows 7. Beyond that, let the caveat emptor!
It looks like MGADiag was retired for a reason. So my evaluation of MGADiag in 2017 is its in need of a re-vamp
Basically there is a 90% chance your activation issue is captured in this simple document ( here). Did you activate the key from this server already? One License equals one machine. These are basic Tenants, that will tell you if you are genuine or not.
So My Licensing is really Broke
What to do about Activation (MS)
If you end up with MS, Microsoft, where you are not in the wrong, you should use standard procedures to get activation and license issues fixed. So lets get that out of the way.
So you can just do the right thing. Just go to a command line and type SLUI 3 or SLUI 4. This is command line activation and Voice Activation. When the Voice Activation answers the phone, you will be made to explain why you think your license is genuine. This may require a supervisor. Only the supervisors apparently have the information to make a determination, or perhaps, only the supervisors have the ability to fix a wrong determination in their job description.
So here is the thing. Microsoft can see all license keys. they can see if they are activated. So your story needs to explain why a license would be activated in their system. If your story makes sense, and you don’t mind a deactivation to activate your machine, or multiple activation’s are justified for the key you are using, they will generally make good on your license. .
To conclude, we have MGADiag, Genuine Advantage website, and we have SLUI as tools we can use to work on licensing issues.
But Be careful! MGADiag is no longer a public MS download
Here is the Newer tool, in all its glory:
and Finally, Another Blog example of the basic activation steps as they have not changed much over the years